Griselbrand

Flying, lifelink
Pay 7 life: Draw seven cards.

Swamp

Boon Reflection

If you would gain life, you gain twice that much life instead.

Congregate

Target player gains 2 life for each creature on the battlefield.

Rhox Faithmender

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
If you would gain life, you gain twice that much life instead.

Plains

K'rrik, Son of Yawgmoth

({B/P} can be paid with either {B} or 2 life.)
Lifelink
For each {B} in a cost, you may pay 2 life rather than pay that mana.
Whenever you cast a black spell, put a +1/+1 counter on K'rrik, Son of Yawgmoth.

Soul's Grace

You gain life equal to target creature's power.

Sorin's Vengeance

Sorin's Vengeance deals 10 damage to target player or planeswalker and you gain 10 life.

Beacon of Immortality

Double target player's life total. Shuffle Beacon of Immortality into its owner's library.

Blood Celebrant

{B}, Pay 1 life: Add one mana of any color.

Stream of Life

Vito, Thorn of the Dusk Rose

Whenever you gain life, target opponent loses that much life.
{3}{B}{B}: Creatures you control gain lifelink until end of turn.